求知若饥，虚心若愚。

历史是记忆的不完美与文献的不足相遇时产生的确定性。

It really matters whether people are working on generating clean energy or improving transportation or making the Internet work better and all those things. And small groups of people can have a really huge impact.

We are just an advanced breed of monkeys on a minor planet of a very average star. But we can understand the Universe. That makes us something very special.

"The most important thing is to get the right people in the right jobs."